52729473 has 4 divisors (see below), whose sum is σ = 70305968. Its totient is φ = 35152980.

The previous prime is 52729471. The next prime is 52729487. The reversal of 52729473 is 37492725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52729473 - 2¹ = 52729471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52729471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8788243 + ... + 8788248.

It is an arithmetic number, because the mean of its divisors is an integer number (17576492).

Almost surely, 2^52729473 is an apocalyptic number.

It is an amenable number.

52729473 is a deficient number, since it is larger than the sum of its proper divisors (17576495).

52729473 is a wasteful number, since it uses less digits than its factorization.

52729473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17576494.

The product of its digits is 105840, while the sum is 39.

The square root of 52729473 is about 7261.5062487063. The cubic root of 52729473 is about 374.9883800844.

The spelling of 52729473 in words is "fifty-two million, seven hundred twenty-nine thousand, four hundred seventy-three".